Question

How would you classify the following elements as main group elements, transition metals, or inner transition metals: 1.Ca 2.Fe 3.Ag 4.U 5.O 6.Pb?

Answer 1

Main element - Ca, o, Pb

Transition ". - Fe, Ag

Inner. ". " - - U

Answer 2

main :- ca ,pb

transition :- Fe ,ag

inner transition :- u

I'm not sure of it